# File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.

from typing import List, Union, Optional
from typing_extensions import Literal, TypeAlias

from .tool import Tool
from ..._models import BaseModel
from .response_error import ResponseError
from .response_usage import ResponseUsage
from .response_prompt import ResponsePrompt
from .response_status import ResponseStatus
from ..shared.metadata import Metadata
from ..shared.reasoning import Reasoning
from .tool_choice_types import ToolChoiceTypes
from .response_input_item import ResponseInputItem
from .tool_choice_options import ToolChoiceOptions
from .response_output_item import ResponseOutputItem
from .response_text_config import ResponseTextConfig
from .tool_choice_function import ToolChoiceFunction
from ..shared.responses_model import ResponsesModel

__all__ = ["Response", "IncompleteDetails", "ToolChoice"]


class IncompleteDetails(BaseModel):
    reason: Optional[Literal["max_output_tokens", "content_filter"]] = None
    """The reason why the response is incomplete."""


ToolChoice: TypeAlias = Union[ToolChoiceOptions, ToolChoiceTypes, ToolChoiceFunction]


class Response(BaseModel):
    id: str
    """Unique identifier for this Response."""

    created_at: float
    """Unix timestamp (in seconds) of when this Response was created."""

    error: Optional[ResponseError] = None
    """An error object returned when the model fails to generate a Response."""

    incomplete_details: Optional[IncompleteDetails] = None
    """Details about why the response is incomplete."""

    instructions: Union[str, List[ResponseInputItem], None] = None
    """A system (or developer) message inserted into the model's context.

    When using along with `previous_response_id`, the instructions from a previous
    response will not be carried over to the next response. This makes it simple to
    swap out system (or developer) messages in new responses.
    """

    metadata: Optional[Metadata] = None
    """Set of 16 key-value pairs that can be attached to an object.

    This can be useful for storing additional information about the object in a
    structured format, and querying for objects via API or the dashboard.

    Keys are strings with a maximum length of 64 characters. Values are strings with
    a maximum length of 512 characters.
    """

    model: ResponsesModel
    """Model ID used to generate the response, like `gpt-4o` or `o3`.

    OpenAI offers a wide range of models with different capabilities, performance
    characteristics, and price points. Refer to the
    [model guide](https://platform.openai.com/docs/models) to browse and compare
    available models.
    """

    object: Literal["response"]
    """The object type of this resource - always set to `response`."""

    output: List[ResponseOutputItem]
    """An array of content items generated by the model.

    - The length and order of items in the `output` array is dependent on the
      model's response.
    - Rather than accessing the first item in the `output` array and assuming it's
      an `assistant` message with the content generated by the model, you might
      consider using the `output_text` property where supported in SDKs.
    """

    parallel_tool_calls: bool
    """Whether to allow the model to run tool calls in parallel."""

    temperature: Optional[float] = None
    """What sampling temperature to use, between 0 and 2.

    Higher values like 0.8 will make the output more random, while lower values like
    0.2 will make it more focused and deterministic. We generally recommend altering
    this or `top_p` but not both.
    """

    tool_choice: ToolChoice
    """
    How the model should select which tool (or tools) to use when generating a
    response. See the `tools` parameter to see how to specify which tools the model
    can call.
    """

    tools: List[Tool]
    """An array of tools the model may call while generating a response.

    You can specify which tool to use by setting the `tool_choice` parameter.

    The two categories of tools you can provide the model are:

    - **Built-in tools**: Tools that are provided by OpenAI that extend the model's
      capabilities, like
      [web search](https://platform.openai.com/docs/guides/tools-web-search) or
      [file search](https://platform.openai.com/docs/guides/tools-file-search).
      Learn more about
      [built-in tools](https://platform.openai.com/docs/guides/tools).
    - **Function calls (custom tools)**: Functions that are defined by you, enabling
      the model to call your own code. Learn more about
      [function calling](https://platform.openai.com/docs/guides/function-calling).
    """

    top_p: Optional[float] = None
    """
    An alternative to sampling with temperature, called nucleus sampling, where the
    model considers the results of the tokens with top_p probability mass. So 0.1
    means only the tokens comprising the top 10% probability mass are considered.

    We generally recommend altering this or `temperature` but not both.
    """

    background: Optional[bool] = None
    """Whether to run the model response in the background.

    [Learn more](https://platform.openai.com/docs/guides/background).
    """

    max_output_tokens: Optional[int] = None
    """
    An upper bound for the number of tokens that can be generated for a response,
    including visible output tokens and
    [reasoning tokens](https://platform.openai.com/docs/guides/reasoning).
    """

    previous_response_id: Optional[str] = None
    """The unique ID of the previous response to the model.

    Use this to create multi-turn conversations. Learn more about
    [conversation state](https://platform.openai.com/docs/guides/conversation-state).
    """

    prompt: Optional[ResponsePrompt] = None
    """Reference to a prompt template and its variables.

    [Learn more](https://platform.openai.com/docs/guides/text?api-mode=responses#reusable-prompts).
    """

    reasoning: Optional[Reasoning] = None
    """**o-series models only**

    Configuration options for
    [reasoning models](https://platform.openai.com/docs/guides/reasoning).
    """

    service_tier: Optional[Literal["auto", "default", "flex", "scale"]] = None
    """Specifies the latency tier to use for processing the request.

    This parameter is relevant for customers subscribed to the scale tier service:

    - If set to 'auto', and the Project is Scale tier enabled, the system will
      utilize scale tier credits until they are exhausted.
    - If set to 'auto', and the Project is not Scale tier enabled, the request will
      be processed using the default service tier with a lower uptime SLA and no
      latency guarantee.
    - If set to 'default', the request will be processed using the default service
      tier with a lower uptime SLA and no latency guarantee.
    - If set to 'flex', the request will be processed with the Flex Processing
      service tier.
      [Learn more](https://platform.openai.com/docs/guides/flex-processing).
    - When not set, the default behavior is 'auto'.

    When this parameter is set, the response body will include the `service_tier`
    utilized.
    """

    status: Optional[ResponseStatus] = None
    """The status of the response generation.

    One of `completed`, `failed`, `in_progress`, `cancelled`, `queued`, or
    `incomplete`.
    """

    text: Optional[ResponseTextConfig] = None
    """Configuration options for a text response from the model.

    Can be plain text or structured JSON data. Learn more:

    - [Text inputs and outputs](https://platform.openai.com/docs/guides/text)
    - [Structured Outputs](https://platform.openai.com/docs/guides/structured-outputs)
    """

    truncation: Optional[Literal["auto", "disabled"]] = None
    """The truncation strategy to use for the model response.

    - `auto`: If the context of this response and previous ones exceeds the model's
      context window size, the model will truncate the response to fit the context
      window by dropping input items in the middle of the conversation.
    - `disabled` (default): If a model response will exceed the context window size
      for a model, the request will fail with a 400 error.
    """

    usage: Optional[ResponseUsage] = None
    """
    Represents token usage details including input tokens, output tokens, a
    breakdown of output tokens, and the total tokens used.
    """

    user: Optional[str] = None
    """A stable identifier for your end-users.

    Used to boost cache hit rates by better bucketing similar requests and to help
    OpenAI detect and prevent abuse.
    [Learn more](https://platform.openai.com/docs/guides/safety-best-practices#end-user-ids).
    """

    @property
    def output_text(self) -> str:
        """Convenience property that aggregates all `output_text` items from the `output`
        list.

        If no `output_text` content blocks exist, then an empty string is returned.
        """
        texts: List[str] = []
        for output in self.output:
            if output.type == "message":
                for content in output.content:
                    if content.type == "output_text":
                        texts.append(content.text)

        return "".join(texts)
